Vaavud Mjolnir Anemometer

Unlock Professional-Grade Wind Data with Your Smartphone
Imagine having a precision wind meter that fits in your pocket and turns your phone into a powerful weather tool—no bulky equipment, no complicated setup. This innovative wind meter plugs directly into your smartphone’s audio jack, using advanced magnetic technology to deliver real-time wind speed readings with laboratory-grade accuracy. Whether you're preparing for a regatta, checking conditions for kitesurfing, or simply monitoring local weather, this device provides instant, reliable data at your fingertips.

Engineered for Accuracy and Durability
Wind tunnel-calibrated in Denmark, this wind meter boasts a dual-cup rotor design that captures wind from any direction, ensuring consistent readings between 2 and 20 m/s with a precision of ±4% or 0.2 m/s. Built to withstand the elements, its shock-resistant, sand-proof, and water-resistant construction means it performs flawlessly in harsh conditions. The rotor’s Teflon bearings and one-piece molded design guarantee smooth operation, while neodymium magnets with epoxy coating ensure long-lasting reliability. Weighing just 17 grams and measuring 20 x 112 x 59 mm, it’s ultra-portable yet built to last.

Smart Features for Smarter Decisions
The free companion app (available for iOS and Android) transforms raw wind data into actionable insights. View instantaneous, average, and peak wind speeds in your choice of units—m/s, km/h, knots, Beaufort scale, or mph. Interactive graphs and a measurement history let you track wind trends over time, while geotagged data sharing enables collaboration with fellow sailors or weather enthusiasts. The app supports multiple languages, making it accessible to users worldwide. No batteries, no charging—just plug in and measure.

Designed for Adventurers, Backed by Technology
From competitive sailors to outdoor explorers, this wind meter is built for those who demand precision without compromise. Its rugged design resists impacts, sand, and water, while the included neoprene pouch ensures safe storage and transport. Compatible with a wide range of iOS and Android devices, it’s as versatile as it is reliable. Whether you're navigating open waters, setting up a campsite, or fine-tuning your windsurfing rig, this device delivers the data you need to make informed decisions—quickly and effortlessly.

This wind meter combines cutting-edge technology with rugged durability to deliver precise wind speed measurements in a compact, portable design. With a measurement range of 2 to 20 m/s (extendable up to 48 m/s on select Android devices) and an accuracy of ±4% or 0.2 m/s, it provides professional-grade data for sailors, kitesurfers, and outdoor enthusiasts. The dual-cup rotor ensures consistent readings regardless of wind direction, while the app’s real-time graphs, measurement history, and geotagged sharing features make it easy to track and analyze wind conditions. Built to withstand harsh environments, it’s shock-resistant, sand-proof, and water-resistant, with a lightweight yet durable construction.

• Experience the perfect blend of simplicity and precision with this wind meter.
• Its plug-and-play design eliminates the need for batteries or charging, while the free companion app delivers real-time wind data with interactive graphs and customizable units.
• The dual-cup rotor ensures accurate readings from any direction, and its rugged construction resists impacts, sand, and water.
• Lightweight and ultra-portable, it’s ideal for on-the-go use, whether you're sailing, kitesurfing, or monitoring local weather.
• With wind tunnel calibration and professional-grade accuracy, it’s the ultimate tool for anyone who relies on precise wind measurements.